Telephone base unit



FIG. 1 is a front perspective view of a telephone base unit of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dash-dash broken lines shown represent environmental subject matter and form no part of the claimed design. Additionally, the dash-dot broken lines in the drawings define the limits of the claimed design. 

CLAIM I claim the ornamental design for a telephone base unit, as shown and described. 